Finding the Fourth Proportional to 42.37, 63.42 and 37.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42.37 : 63.42 = 37.60 : x
2. Step 2: Convert to fraction form
   42.37/63.42 = 37.60/x
3. Step 3: Cross multiply
   42.37x = 63.42 × 37.60
4. Step 4: Simplify right side
   42.37x = 2,384.59
5. Step 5: Solve for x
   x = 2,384.59/42.37
6. Step 6: Final answer
   x = 56.28